docs: def pretty_printer_factory(p_todolist, p_additional_filters=None):
      """ Returns a pretty printer suitable for the ls and dep subcommands. """
      p_additional_filters = p_additional_filters or []
  
      printer = PrettyPrinter()
      printer.add_filter(PrettyPrinterNumbers(p_todolist))
  
      for ppf in p_additional_filters:
          printer.add_filter(ppf)
  
      # apply colors at the last step, the ANSI codes may confuse the
      # preceding filters.
      printer.add_filter(PrettyPrinterColorFilter())
  
      return printer